Patents by Inventor John Thomas Vandergrift, II

John Thomas Vandergrift, II has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8336865
    Abstract: Methods, systems, apparatuses, and products are disclosed for welding ground wires to a grounding rod. A jig retains the ground wires to the grounding rod. The jig has a first horseshoe oriented to a second horseshoe to form a crucifix. Each horseshoe has a pair of legs supporting the jig from earth and providing electrical ground to the earth. A central passage bisects each horseshoe through which the grounding rod inserts. Mechanisms are included for clamping a ground wire to at least one of the legs, such that the ground wire is retained for welding to the grounding rod.
    Type: Grant
    Filed: November 24, 2009
    Date of Patent: December 25, 2012
    Assignee: AT&T Intellectual Property I, L.P.
    Inventor: John Thomas Vandergrift, II